[libcxx-commits] [libcxx] [libc++] Fix bitset conversion functions and refactor constructor (PR #121348)

[Peng Liu via libcxx-commits]

winner245 wrote:

> > Perhaps the commit message needs to be adjusted to explain the motivation more clearly?
> 
> I think so. Starting with something that happens to work now and explain extensively why isn't exactly screaming "falls out of this patch" but rather "this is the main goal of this patch".

I've completely rewritten the commit message, which now has a much clearer motivation. 

https://github.com/llvm/llvm-project/pull/121348